Neuro Scope

ACU - 10

The NEURO-SCOPE is an instrument which is used to detect stress level of various organs in our body. NEURO SCOPE is based on Galvanic skin response (GSR) technique, in this technique Skin Conductance (SC) is calculated which is a measure of the skin's ability to conduct electricity. A tiny electrical voltage (so small, that it is not felt) is applied through the two electrodes, usually strapped to the two fingers of one hand, in order to establish an electric circuit where the client becomes a variable resistor. The real time variation in conductance, which is the inverse of the resistance (an alternative measure of the Galvanic Skin Response), is calculated. Clinically, changes in SC reflect changes in the activity of the sympathetic nervous system. As a person becomes more or less stressed, the skin's conductance increases or
decreases proportionally.
The Atmel ATMega8 is the most efficient high performance, low power 8-bit RISC microcontroller that offers the following main features used in this project.
  • 16x2 LCD Display.
  • Supply voltage : +12V, 600mA` from battery emulator.
  • Power ON Reset.
  • Expansion connector for connecting probe.
  • Constant Current circuit.
  • Alarm LED.
Software Features
  • Auto calibration :  button, to calibrate points on different body parts (ears, palms, feet etc.)
  • Manual calibration : Sensitivity increase and decrease button for practitioner .To manually  Calibrate the instrument.
  • Audio Indication : Unique three-stage audio indication for point detection: SILENT when the probe is  far  away  from  the  points, Intermittent sound  when  the probe  is  close  to  a  point  and contitnuous sound when the probe is on the point.
  • Mute Button : to turn off the Sound of Audio indication.
  • Bar-Graph : display of LED's for displaying the sensitivity of the point with respect to its surroundings.
  • This application can be used in detection of Acupuncture points.
  • This technique can be used as galvanic skin response in biofeedback devices like Lie.
  • detector.
  • Psycho analysis of a patient and mood detection.



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